Mossberg 500 vs Mossberg 590 Thunder Ranch

1964–Present

2019–present

10,000,000+ units (cumulative worldwide)

Unknown

965 mm (38 in) with stock extended; 864 mm (34 in) with stock collapsed (tactical models)

1003 mm (39.5 in)

406 mm (16 in) standard; 457 mm (18 in) and 508 mm (20 in) options

470 mm (18.5 in)

2.95 kg (6.5 lb) empty (12‑gauge, 18‑in barrel)

3.18 kg (7 lb)

5+1 rounds standard; 6+1, 7+1, 8+1 tube extensions available; detachable box magazines up to 5 rounds

6 rounds

Pump‑action, slide‑action bolt with dual‑action locking lug; steel receiver with anti‑jam bolt design

Pump action

Single‑stage trigger with manual safety lever; optional ghost‑ring safety on tactical models

Single stage

Bead front sight; optional ghost‑ring rear sight or fiber‑optic front sight on tactical variants

Bead front with XS Big Dot tritium insert